Answer: 4 dollars for each notebook
Step-by-step explanation:
21-9= 12
12/3=4
each notebooks costs 4 dollars
Im not sure i understand the question, but i think 25/7


With these 2 equations all we have to do is just substitute it for f and get

Then just apply the distributive property
Just in case see if there are other ways of doing it
Answer:
6.5x^2 + 5.5x + 1
Step-by-step explanation:
6.5 x * x + 5 .5 x + 1 can be re-written as 6.5x^2 + 5.5x + 1, or as:
65x^2 + 55 + 10
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10